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Thumb base arthritis surgery (CMC arthroplasty) in California: what insurers pay

Posted commercial rates at 82 California hospitals, each next to its own Medicare base rate.

Open in the explorerAll statesEvery bill for the whole procedure

CPT 25447

HospitalMedian across insurers× MedicareInsurersFile date
Northbay Medical Center Fairfield$3,1120.7×22026-04-01
Chapman Global Medical Center Orange$4,2081.0×232026-05-06
Oroville Hospital Oroville$4,4251.1×52026-09-27
Community Hospital Of Huntington Park Huntington Park$4,4491.1×162026-02-04
Memorial Hospital Of Gardena Gardena$4,4491.1×162026-02-04
East Los Angeles Doctors Hospital Los Angeles$4,4491.1×172026-02-04
South Coast Global Medical Center Santa Ana$4,4491.1×262026-06-15
Coast Plaza Hospital Norwalk$4,4491.1×162026-02-04
Foothill Regional Medical Center Tustin$4,5901.1×42026-03-18
Loma Linda University Medical Center Loma Linda$4,6291.1×112026-09-02
Los Angeles Community Hospital Los Angeles$4,8851.2×32026-03-18
Paradise Valley Hospital National City$5,4441.3×52026-09-01
Hollywood Presbyterian Medical Center Los Angeles$5,6161.3×22026-03-12
Riverside Community Hospital Riverside$5,8921.4×72026-09-01
Ucla West Valley Medical Center West Hills$5,9341.4×32026-03-29
Tri-City Medical Center Oceanside$6,0181.4×72026-05-29
Shasta Regional Medical Center Redding$6,0721.4×42026-09-01
Providence Saint Joseph Medical Ctr Burbank$6,1491.5×52026-04-01
Providence Cedars Sinai Tarzana Medical Center Tarzana$6,1491.5×52026-04-01
Providence Holy Cross Medical Center Mission Hills$6,2241.5×62026-04-01
Southern California Hospital At Hollywood Hollywood$6,6511.6×32026-03-18
Uci Health-Lakewood Lakewood$6,8381.6×62026-04-01
Usc Verdugo Hills Hospital Glendale$6,8581.6×62026-04-01
Community Regional Medical Center Fresno$7,1201.7×82026-06-18
Clovis Community Medical Center Clovis$7,1201.7×82026-06-15
Fresno Surgical Hospital Fresno$7,1201.7×32026-06-16
Scripps Mercy Hospital San Diego$7,1541.7×52026-03-30
Scripps Memorial Hospital La Jolla La Jolla$7,1541.7×52026-03-30
Scripps Green Hospital La Jolla$7,1541.7×52026-03-30
Scripps Memorial Hospital - Encinitas Encinitas$7,1541.7×52026-03-30
Ronald Reagan Ucla Medical Center Los Angeles$7,1821.7×62026-03-29
Palomar Health Downtown Campus Escondido$7,2461.7×22026-04-01
Palomar Medical Center Poway Poway$7,7601.8×12026-04-01
Providence Little Co Of Mary Med Ctr San Pedro San Pedro$7,9191.9×52026-04-01
Providence Little Company Of Mary Med Ctr Torrance Torrance$7,9331.9×52026-04-01
Good Samaritan Hospital San Jose$7,9841.7×82026-09-01
Memorialcare Orange Coast Medical Center Fountain Valley$8,3542.0×112026-04-01
Santa Monica - Ucla Med Ctr & Orthopaedic Hospital Santa Monica$8,4312.0×52026-03-29
Memorialcare Saddleback Medical Center Laguna Hills$8,8162.1×112026-04-01
Memorialcare Long Beach Medical Center Long Beach$9,2802.2×102026-04-01
Stanford Health Care Tri-Valley Pleasanton$9,4912.0×42026-04-01
Kaiser Foundation Hospital - Los Angeles Los Angeles$9,5732.3×12026-04-01
Kaiser Foundation Hospital - Downey Downey$9,5732.3×12026-04-01
Kaiser Foundation Hospital - South Bay Harbor City$9,5732.3×12026-04-01
Kaiser Foundation Hospital - Zion San Diego$9,5732.3×12026-04-01
Kaiser Foundation Hospital - Woodland Hills Woodland Hills$9,5732.3×12026-04-01
Kaiser Foundation Hospital, Riverside Riverside$9,5732.3×12026-04-01
Kaiser Foundation Hospital - Baldwin Park Baldwin Park$9,5732.3×12026-04-01
Kaiser Foundation Hospital-Moreno Valley Moreno Valley$9,5732.3×12026-04-01
Kaiser Foundation Hospital - San Marcos San Marcos$9,5732.3×12026-04-01
Providence Mission Hospital Mission Viejo$9,6452.3×62026-04-01
Providence St. Joseph Hospital Orange$9,7442.3×62026-04-01
Saint John's Health Center Santa Monica$9,8342.3×52026-04-01
Keck Hospital Of Usc Los Angeles$9,8492.3×92026-04-01
Providence St. Jude Medical Center Fullerton$10,4902.5×62026-04-01
St Mary's Medical Center San Francisco$10,6722.3×72026-04-01
Kaiser Foundation Hospital - South San Francisco South San Francisco$12,2782.6×12026-04-01
Kaiser Foundation Hospital-Santa Clara Santa Clara$12,2782.5×12026-04-01
Kaiser Foundation Hospital - Walnut Creek Walnut Creek$12,2782.7×12026-04-01
Kaiser Foundation Hospital - San Francisco San Francisco$12,2782.6×12026-04-01
Regional Medical Center Of San Jose San Jose$12,2782.5×12026-04-01
Kaiser Foundation Hospital - Sacramento Sacramento$12,2782.9×12026-04-01
Kaiser Foundation Hospital - Fremont Fremont$12,2782.7×12026-04-01
Kaiser Foundation Hospital - Redwood City Redwood City$12,2782.6×12026-04-01
Kaiser Foundation Hospital-Santa Rosa Santa Rosa$12,2782.8×12026-04-01
Kaiser Foundation Hospital - Fresno Fresno$12,2782.9×12026-04-01
Kaiser Foundation Hospital - Antioch Antioch$12,2782.7×12026-04-01
Kaiser Foundation Hospital - Vacaville Vacaville$12,2782.7×12026-04-01
Kaiser Foundation Hospital - Roseville Roseville$12,2782.9×12026-04-01
Kaiser Foundation Hospital - San Leandro San Leandro$12,2782.7×12026-04-01
Providence St Mary Medical Center Apple Valley$12,6483.0×42026-04-01
Providence Santa Rosa Memorial Hospital Santa Rosa$12,8522.9×52026-04-01
Providence Redwood Memorial Hospital Fortuna$12,8603.1×32026-04-01
Rady Children'S Hospital - San Diego San Diego$13,9433.3×52026-04-01
Providence St Joseph Hospital Eureka$14,5993.5×42026-04-01
Hoag Memorial Hospital Presbyterian Newport Beach$15,5293.7×42026-04-01
Providence Queen Of The Valley Medical Center Napa$16,6524.0×52026-04-01
Los Robles Hospital & Medical Center Thousand Oaks$16,9494.0×52026-09-01
University Of California Davis Medical Center Sacramento$17,4384.1×22026-04-01
Mission Community Hospital Panorama City$20,5914.9×22026-09-01
Cedars-Sinai Medical Center Los Angeles$29,0096.9×32025-11-26
Stanford Health Care Stanford$29,7626.2×22026-04-01

Questions

How much do insurers pay for thumb base arthritis surgery (cmc arthroplasty) in California?

82 California hospitals post usable commercial rates for thumb base arthritis surgery (cmc arthroplasty) in their federal price-transparency files. For CPT 25447, hospital outpatient, the median across 82 hospitals is $9,532, 2.2× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.